A young widow is left in sole possession of her late husband's fortune, her brother who dominates her refuses to let her share it with her in-laws, so they enlist Hercule Poirot to prove her missing first husband might not be dead.

David Suchet
Hercule Poirot

David Yelland
George

Jenny Agutter
Adela Marchmont

Amanda Douge
Lynn Marchmont

Patrick Baladi
Rowley Cloade

Elliot Cowan
David Hunter

Pip Torrens
Jeremy Cloade

Penny Downie
Frances Cloade

Celia Imrie
Kathy Cloade-Woodward

Tim Pigott-Smith
Dr. Lionel Woodward

Richard Hope
Superintendent Harold Spence

Nicholas Le Prevost
Major Porter

Elizabeth Spriggs
Mrs. Leadbetter

Tim Woodward
Enoch Arden / Charles Trenton

Eva Birthistle
Eileen Corrigan